Simple circuit stereo audio amplifier with ic lm386. When a transistor is used as a switch it is operated in the saturation and cutoff region as explained above. Overview bd140 medium power pnp transistor designed for use as audio amplifiers and drivers utilizing complementary or quasi. Download ic database equivalent guide 100 thousand components. As discussed a transistor will act as an open switch during forward bias and as a closed switch during reverse bias, this biasing can be achieved by supplying the required amount of current to the base pin. Bd9 bd140 complementary low voltage transistor features products are preselected in dc current gain application general purpose description these epitaxial planar transistors are mounted in the sot32 plastic package. Can anyone tell me which transistor in the maplins catalogue is equivalent to this bd9. Theyre critical as a control source in just about every modern circuit.
Bd140, bd140 pnp power transistor, buy bd140 transistor. Free transistor circuits books download ebooks online. And this is how a basic pnp transistor circuit works. A bc547 has the same chip but in a modern epoxy case and its allowed thermal power is double the bc107. Bd140 is a famous pnp type transistor, it is used in many electronics circuits, this transistor can handle current upto 1. A, february 2000 bd579 dimensions in millimeters 8.
Bd140 transistor pinout, equivalent, uses, features. Cross reference universal transistor reference page 1. The transistors 2n 3055 serves the function of driving the speaker. A complete guide to semiconductor replacement and substitutions from the makers of photofactr service documentation. The switch is on when the base is saturated so that collector current can flow without restriction. Transistor equivalent book 2sc2238 free download as pdf file. Bc107 equivalent electronics forum circuits, projects. Bc557 transistor introduction the world of electronic parts. Bd140 stmicroelectronics discrete semiconductor products.
Buy international transistor equivalents guide bernard babani publishing radio and electronics books by michaels, adrian isbn. Silicon pnp transistor this series of plastic, medium. Medium power linear and switching applications, bd140 datasheet, bd140 circuit, bd140 data sheet. When used as an ac signal amplifier, the transistors base biasing voltage is applied in such a way that it always operates within its active region, that is the linear part of the output. International transistor equivalents guide bernard babani. Inquiry on european transistors equivalent to japanese. Bd140 datasheet, equivalent, cross reference search. Unfortunately, the very nice and helpful guy at the shop says he knows all about resistors, capacitors, and diodes, but not about transistors. Description more info in stock package package qty.
Transistor replacement table for transistor datasheet. The complementary pnp types are the bc160 and bc161 symbol. Complementary low voltage transistor stmicroelectronics. How to use 2n3906 pnp transistor the world of electronic. It has been very useful for me because it doesnt provide only the nte replacements.
Motorola, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. The complementary npn transistor vs the 2n3906 is the 2n3904. Package demensions 2000 fairchild semiconductor international rev. Bd9 2n4923 bd140 2n4920 the rest didnt have equivalents. Transistor switches can be used to switch a low voltage dc device e. Tags datasheet, download, electronic software, ic, transistor post navigation.
Its max vceo is 45v, its max current is only 100ma and its hfe is from 125 to 500 at 2ma. It says it must be cooled but its a to216 sot32 format which is difficult to heatsink. Bd579 npn epitaxial silicon transistor medium power linear and to126 switching applications complement to bd6, bd8 and bd140 respectively absolute maximum ratings characteristic symbol rating unit collector base voltage. Bc107 equivalent electronics forum circuits, projects and. I m doing my project on automatic low power emergency light. Apr 05, 2008 it has been very useful for me because it doesnt provide only the nte replacements. Bd140 medium power pnp transistor designed for use as audio amplifiers and drivers utilizing complementary or quasi complementary circuits image shown is a representation only. Power transistor substitution bd140 to tip32c all about. The transistor is off when theres no bias voltage or when the bias voltage is less than 0. This book presents technical data for motorolas broad line of silicon power. This pair of transistors will buffer the signal from q3s collector, and provide a high gain as the signal goes to the final stage.
The capacitor c1 controls low frequencies and capacitor c2 controls high frequencies. Bc557 transistor introduction the world of electronic. Bc516 similar mpsa65 or 66 bc517 similar mpsa or 14 a bf256a is similar to a bf244 or 245. They are particularly designed for audio amplifiers and switching applications 1 a. Alternative transistor to bd9 i can get from maplins all. Is there a transistor comparison chart or database to be. Pw350s, duty cycle2% pulsed hfe classificntion symbol parameter value units vcbo collectorbase voltage. Transistor equivalent book 2sc2238 transistor integrated circuit. Base 2000 fairchild semiconductor international bd579 rev.
Bd6 bd8bd140 pnp silicon transistors sgsthomson preferred salestypes pnp transistor description the bd6, bd8 and bd140 are silicon epitaxial planar pnp transistors in jedec sot32 plastic package, designed for audio amplifiers and drivers utilizing complementary or quasi compementarycircuits. Everyday low prices and free delivery on eligible orders. More than 490,000 part numbers, type numbers, and other identifying numbers listed. It goes further and it offers exactly what you were talking in this topic, real replacements like the 80s and 90s replacements crossreference books. Alternative transistor to bd9 i can get from maplins. Transistor, d140, 140, 40, bd14, bd1, bd, equivalent, stock, pinout, distributor, price, schematic, inventory, databook. This page contains list of freely available e books, online textbooks and tutorials in transistor circuits. Fairchild, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Leds on or off by using a transistor in its saturated or cutoff state. Plz if u knw abt it thenreply ur suggestions are welcome thank you.
Can anybody tell me what is the suitable alternative for bd140 transistor as i m not getting it. Free and are rohs compliant maximum ratings rating symbol value unit collector. They are designed for audio amplifiers and drivers utilizing complementary or quasicomplementary circuits. This is a pdf format of the well known hardware pinout book, which covers various computer, electrical and electronic item pinouts. How to choose a replacement for a bipolar transistor total. Both types were registered by motorola semiconductor in the mid1960s. Choosing transistor replacements electronics notes.
Pricing and availability on millions of electronic components from digikey electronics. The other transistor functions as pre amplifiers for the driver stage. Order this document motorola by bd6d semiconductor technical data bd6 bd8 plastic medium power silicon bd140 pnp transistor bd140 10. Irf520p to220 nchannel power mosfet rf final and en369dr companion part. Bd68140 pnp epitaxial silicon transistor absolute maximum ratings tc25c unless otherwise noted electrical characteristics tc25c unless otherwise noted pulse test. St microelectronics 0c695lq7ut3hjriqzff0kfs5i8wy datasheet pdf. Download ic database equivalent guide 100 thousand. May 15, 2017 a bc107 was an old ordinary little transistor in a metal case.
Plastic medium power silicon pnp transistor, bd140 datasheet, bd140 circuit, bd140 data sheet. Order this document motorola by bd6d semiconductor technical data bd6 bd8 plastic medium power silicon bd140 pnp transistor bd14010. In this tutorial well introduce you to the basics of the most common transistor around. The bd140 transistor might have a current gain anywhere between 40 and 250. Bd140 pnp transistor complementary npn, replacement. Transistor equivalent bipolar junction transistor transistor scribd. Crossreferences are not magic, understanding of the circuit and a parametric search of the important parameters is much more reliable. Motorola power transistor substitution and cross reference guide. Bd5 bd6 bd9 bd140 complementary low voltage transistor features products are preselected in dc current gain application general purpose 1 2 3 description sot32 these epitaxial planar transistors are mounted in the sot32 plastic package. Bd npn silicon transistor sgsthomson preferred salestype npntransistor application generalpurposeswitching description the bd is a silicon epitaxial planar npn transistor in jedec sot32 plastic package. These transistors help to form the input differential stage of the amplifier. This is a schematic diagram for a circuit that uses an npn transistor as a switch that turns an led on or off. If ordered before 12pm super fast delivery limited areas.
So called equivalent parts, or nte replacements, may not work at all in some cases, because they were worse in some spec, or the circuit was designed with the assumptions that the part had a fairly low bandwidth. Download book 200 transistor circuits talking electronics. Check our section of free e books and guides on transistor circuits now. Pricing and availability on millions of electronic components from digikey.
Cross reference transistor bipolar download as pdf file. Q11 is a common collector and q12 is a common emitter. Bd140 pnp transistor complementary npn, replacement, pinout, pin. The gain of the bd140 10 will be in the range from 63 to 160, bd140 6 ranges from 40 to 100, bd140 16 ranges from 100 to 250. Applications general purpose power applications, e. Bc140 general purpose transistors description the bc140 and bc141 are silicon planar epitaxial npn transistors in to39 metal case. A bc107 was an old ordinary little transistor in a metal case. All the part names for which the file 0c695lq7ut3hjriqzff0kfs5i8wy.
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